Fixing 5xx Server Error: Stabilising Crawling
Server errors on important URLs are a clear crawling and quality issue.
Server errors on important URLs are a clear crawling and quality issue The error should never be assessed in isolation. What matters is which URL group is affected and whether it creates a crawling, indexing, snippet, performance or quality problem.
Record time and affected URL type
A server error on a single search can have a different cause than simultaneous 5xx responses on all pages. Write down the URL, time and status code and compare this information with the server logs. A successful repetition after a few minutes does not refute the previous failure.
Example: Recognizing the Result
Illustrative example: Product detail pages temporarily deliver 503 during import, categories remain accessible. Time and URL type limit the trigger.
Limit cause and implement correction
Test a simple content page and a page with the same dynamic function as the original error. After a correction, also check normal load and planned background tasks. Avoid obscuring technical errors only by a status 200: the response must reliably deliver the intended content.
What makes you recognize a suitable correction
Compare application and server logs at retrieval time. After the correction, test the same request under similar load and without repeated aggressive queries.
Classification and boundaries
When is this indication not a clear error?
A planned temporary maintenance state shall be assessed differently than a permanently defective endpoint. A single measurement error does not prove a continuous failure.
5xx server error after CMS and cause
Many audit messages can be resolved faster if they are grouped by system, page type and technical cause. CMS indentations are only linked where 5xx server errors have a clear cause or fixed route in the respective system.
For this error, there is currently no own CMS deepening, because the correction is usually not sufficiently system-specific. Take advantage of the general causes and checks on this page.
Frequent causes of this error
Related SEO Errors
Appropriate Seitenreport checks
This error should not be checked in isolation. The following tools and clusters help to narrow down the cause faster and to cleanly prioritize the affected URL groups.